Disclosure Of Fair Value Measurement [Text Block]
| Concept | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | 
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| Disclosure of fair value measurement [text block] |  | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disclosure of fair value measurement of assets [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | ||||||||||||||||||||||||||||
| Assets | — | 
                                                8 533 408
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                8 115 197
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disclosure of fair value measurement of liabilities [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | ||||||||||||||||||||||||||||
| Liabilities | — | 
                                                7 772 980
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                7 464 974
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Reconciliation of changes in fair value measurement, liabilities [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disclosure of fair value measurement of equity [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | ||||||||||||||||||||||||||||
| Equity | — | 
                                                760 428
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                86 277
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                35 506
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                395 356
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                5 692
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                110 470
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                127 130
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                3,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                754 736
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                650 223
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                38 484
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                11 858
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                356 759
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                5 524
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                110 470
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                127 130
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                2,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                644 699
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                11 765
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                27 129
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                329 642
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                611 458
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                606 047
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                5 411
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                110 470
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                89,000
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
                                                127 130
                                                
                                                    
                                                        BGN
                                                    
                                                
                                             | 
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |